/* Header-specific styles for Car Accessory Hub */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
}

.site-branding {
  display: flex;
  align-items: center;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-4);
}

.site-logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 30% 0, rgba(15, 143, 255, 0.7), rgba(5, 9, 16, 1));
  box-shadow: 0 0 0 1px rgba(15, 143, 255, 0.4);
  color: #ffffff;
  font-size: 0.9rem;
}

.site-logo-text {
  white-space: nowrap;
}

.primary-nav {
  display: flex;
  align-items: center;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-12);
}

.nav-link {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.nav-link:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
}

/* Mobile navigation */
.nav-toggle {
  display: none;
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border-subtle);
  background-color: rgba(0, 0, 0, 0.4);
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

.nav-toggle-bar {
  position: relative;
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-text);
  transition: transform var(--transition-base), opacity var(--transition-base), top var(--transition-base), bottom var(--transition-base);
}

.nav-toggle-bar + .nav-toggle-bar {
  margin-top: 4px;
}

/* Open state animation */
.nav-toggle.is-open .nav-toggle-bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle.is-open .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-open .nav-toggle-bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

@media (max-width: 768px) {
  .nav-toggle {
    display: inline-flex;
    flex-direction: column;
  }

  .primary-nav {
    position: fixed;
    inset-inline: 0;
    top: 56px;
    background: rgba(7, 11, 16, 0.98);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-base), opacity var(--transition-base), visibility var(--transition-base);
  }

  .primary-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-links {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-8);
    padding: var(--space-12) var(--space-16) var(--space-16);
  }

  .nav-link {
    width: 100%;
    padding: 0.35rem 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .primary-nav {
    transition: none;
  }

  .nav-toggle-bar {
    transition: none;
  }
}